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Julien Olivain 1263adf7a9 support/config-fragments: fix bootlin-x86-i686-musl 
Commit a8be4a04ad "support/config-fragments: replace
br-i386-pentium-mmx-musl" replaced this old toolchain by
bootlin-x86-i686-musl.

When using test-pkg with all toolchains, bootlin-x86-i686-musl is always
failing. The issue can be reproduced with for example:

    utils/test-pkg -a -p busybox

The issue can also be reproduced with a simple config like:

    cat > .config <<EOF
    BR2_i386=y
    BR2_TOOLCHAIN_EXTERNAL=y
    BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
    BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_X86_I686_MUSL_STABLE=y
    BR2_PACKAGE_BUSYBOX=y
    EOF
    make olddefconfig
    make

Compilation fail with output:

    Cannot execute cross-compiler '/i586-linux-gcc'

This issue happen is because the toolchain can never be selected.

The config fragment [1] selects BR2_i386 alone.

The target architecture variant default to i586 if target
architecture is i386. See [2].

Finally, the generated toolchain options includes a depends on
BR2_i386 and !BR2_x86_i586, making the toolchain always ignored.
See [3].

This commit fixes the issue by adding BR2_x86_i686=y to the
bootlin-x86-i686-musl.config fragment as suggested by the
Bootlin toolchain fragment [4].

[1] a8be4a04ad/support/config-fragments/autobuild/bootlin-x86-i686-musl.config
[2] https://gitlab.com/buildroot.org/buildroot/-/blob/2024.02.2/arch/Config.in.x86?ref_type=tags#L38
[3] https://gitlab.com/buildroot.org/buildroot/-/blob/345ccb523e/toolchain/toolchain-external/toolchain-external-bootlin/Config.in.options#L5768-5770
[4] https://toolchains.bootlin.com/downloads/releases/toolchains/x86-i686/fragments/x86-i686--musl--stable-2024.02-1.frag

Signed-off-by: Julien Olivain <ju.o@free.fr>
[Romain: add the link to the Bootlin toolchain fragment]
Signed-off-by: Romain Naour <romain.naour@smile.fr>
2024-05-22 13:55:43 +02:00
.github .github: add a pull request warning that explains the mailing list workflow 2024-04-24 21:50:23 +02:00
arch arch: allow riscv32 noMMU configuration 2024-05-12 12:19:18 +02:00
board configs/openblocks_a6_defconfig: add hashes for Linux / headers 2024-05-17 16:35:23 +02:00
boot {boot, package}: update hashes for generated archives 2024-05-09 22:45:11 +02:00
configs configs/openblocks_a6_defconfig: add hashes for Linux / headers 2024-05-17 16:35:23 +02:00
docs docs/website/index.html: refer to Gitlab and lore 2024-05-12 00:17:19 +02:00
fs Add BR2_ROOTFS_{PRE_BUILD|POST_{BUILD|FAKEROOT|IMAGE}}_SCRIPT_ARGS 2024-03-28 21:47:04 +01:00
linux {linux, linux-headers}: bump 4.19.x / 5.{4, 10, 15}.x / 6.{1, 6, 8}.x series 2024-05-13 22:50:36 +02:00
package package/python-ml-dtypes: remove python-pybind from C++ dependency comment 2024-05-22 13:44:24 +02:00
support support/config-fragments: fix bootlin-x86-i686-musl 2024-05-22 13:55:43 +02:00
system Add BR2_ROOTFS_{PRE_BUILD|POST_{BUILD|FAKEROOT|IMAGE}}_SCRIPT_ARGS 2024-03-28 21:47:04 +01:00
toolchain toolchain/toolchain-external/toolchain-external-custom: add gcc 14 version selection 2024-05-17 22:00:35 +02:00
utils utils/genrandconfig: remove Sourcery CodeBench Nios-II exclusion 2024-05-01 23:35:15 +02:00
.checkpackageignore configs/openblocks_a6_defconfig: add hashes for Linux / headers 2024-05-17 16:35:23 +02:00
.clang-format .clang-format: initial import from Linux 5.15.6 2022-01-01 15:01:13 +01:00
.defconfig arch: remove support for sh64 2016-09-08 22:15:15 +02:00
.editorconfig editorconfig: fix wildcard expansion 2023-12-20 21:32:06 +01:00
.flake8 Revert ".flake8: fix check for 80/132 columns" 2021-01-02 17:38:20 +01:00
.gitignore update gitignore 2013-05-04 12:41:55 +02:00
.gitlab-ci.yml support/misc/gitlab-ci.yml.in: retry a job only if it failed due to a runner issue 2023-08-27 10:09:37 +02:00
.shellcheckrc utils/check-package: improve shellcheck reproducibility 2022-07-25 23:52:47 +02:00
CHANGES Update for 2024.02.2 2024-05-07 10:49:03 +02:00
Config.in Config.in: require host gcc of at least 8 2024-05-10 22:55:45 +02:00
Config.in.legacy package/gcc: remove version 11.x 2024-05-11 22:50:01 +02:00
COPYING COPYING: add exception about patch licensing 2016-02-26 19:50:13 +01:00
DEVELOPERS package/quota: Update DEVELOPERS address 2024-05-17 17:38:26 +02:00
Makefile Add BR2_ROOTFS_{PRE_BUILD|POST_{BUILD|FAKEROOT|IMAGE}}_SCRIPT_ARGS 2024-03-28 21:47:04 +01:00
Makefile.legacy Remove BR2_DEPRECATED 2016-10-15 23:14:45 +02:00
README docs: move the IRC channel away from Freenode 2021-05-29 22:16:23 +02:00

README 

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

Buildroot comes with a basic configuration for a number of boards. Run
'make list-defconfigs' to view the list of provided configurations.

Please feed suggestions, bug reports, insults, and bribes back to the
buildroot mailing list: buildroot@buildroot.org
You can also find us on #buildroot on OFTC IRC.

If you would like to contribute patches, please read
https://buildroot.org/manual.html#submitting-patches